Contractor

Name : Vietnam’s Coteccons

Contact : contact[at]coteccons.vn

Construction Manager

Name : Flamingo Dai Lai

Contact : huydd[at]flamingogroup.vn

Stakeholders

Contractor

NEWTECONS
contact[at]newtecons.com.vn

Owner approach of sustainability

The green “jungle” building is a prime example of green living and will set a new sustainability standard for Vietnam building practices. Besides its green exterior, which helps insulate the building, the tower is equipped with numerous sustainable features. Under the lush greenery, the interior and exterior walls are made of eco-friendly cellular lightweight concrete blocks that offer optimal insulation from extreme heat and cold as well as sound.The building also uses high-efficiency hot water boilers, low-flow plumbing fixtures, and energy-efficient lighting to reduce energy usage. Future residents will not only be able to enjoy the amazing greenery and stunning views of the location, but will also enjoy the benefits of green living such as low utility bills.
The green “jungle” building is a prime example of green living and will set a new sustainability standard for Vietnam building practices. Besides its green exterior, which helps insulate the building, the tower is equipped with numerous sustainable features. Under the lush greenery, the interior and exterior walls are made of eco-friendly cellular lightweight concrete blocks that offer optimal insulation from extreme heat and cold as well as sound.

Architectural description

With its distinctive architecture, the four sides of Forest In The Sky are covered with over 50,000 trees, including shrubs, vines and colorful flowers. From a distance, the building resembles a tropical jungle full of vitality and brilliance. From within the building, residents can enjoy a panoramic view of Dai Lai Lagoon and Tam Dao Range.
As part of the 123-hectare Flamingo Dai Lai Resort which is dedicated to the landscape, residents of Forest In The Sky can see trees and flowers blooming inside out, not in a suffocating but delicate way based on the subtle blending and smooth transition between this lush vegetation with other architectural and interior factors including ceiling-to-floor windows, wooden items, and lighting systems. All is combined in harmony to relieve the monotony of living in concrete and magnify enjoyment of every resident utmost.

Energy consumption

• Final Energy : 37 kWhfe/m².year
Breakdown for energy consumption :

Energy consumption of building Flamingo Dai Lai

4 kWh/m2/year : cooling energy
16 kWh/m2/year : home appliances
4 kWh/m2/year : common amenities
8 kWh/m2/year : Lighting
4 kWh/m2/year : Hot water

Envelope performance

More information :

Roof U - Value : 1.73 W/m² K
Wall U - Value : 1.80 W/m² K
Glass U - Value: 5.40 W/m² K

Systems

Heating system :
• No heating system
Hot water system :
• Heat pump
• Solar Thermal
Cooling system :
• VRV Syst. (Variable refrigerant Volume)
Ventilation system :
• Natural ventilation
Renewable systems :
• No renewable energy systems

GHG emissions

• GHG in use : 29 KgCO₂/m²/year

CO2 Emissions g/kWh of Electricity: 815 g/kWh

Life Cycle Analysis

Arch. Maria Chiara Pastore of Stefano Boeri Architetti, famous for creating the vertical forests model for sustainable residential buildings embodied by Milan’s Bosco Verticale (Vertical Forest), emphasized how its vegetal system contributes to the construction of a microclimate, produces humidity, absorbs CO2 and dust particles and produces oxygen.

This is not only instrumental in curbing climate change but also utilises accessible building materials for large-scale construction projects. Compared to concrete, steel, cement and glass, wood requires less energy to produce and stores – rather than emits - carbon.

Dr Michael Ramage, Director of the Centre for Natural Material Innovation at the University of Cambridge, instrumental in the design of the “The Toothpick” (a wooden skyscraper set to become the second tallest building in London), discussed “super-tall timber”. He explained how wood construction involves cross-laminated timber, a material made of many sheets of wood glued and compressed together, is stronger than steel and a viable candidate for building skyscrapers

Water management

• Consumption from water network : 16 769 m³

Water Consumption/m2 : 0.73

Water Consumption/Dwelling : 92.65

39 kL/unit/year: shower
21 kL/unit/year: kitchen
16 kL/unit/year: water faucets
20 kL/unit/year: water closets
38 kL/unit/year: washing and cleaning

Indoor Air quality

Integrating urban forests into architecture leads to breathtaking results. Sometimes referred to as treescrapers, these buildings have plenty to offer beyond their unique architecture. Implementing sustainable principles, they are a breath of fresh air in high density cities — literally. Urban forests provide us with better air quality by increasing the available oxygen. Also, they ensure a safe habitat for animals that in most cases wouldn’t survive the harsh conditions of crowded cities.

Product

Reduced Window to Wall Ratio - WWR of 32.43%
Reflective Paint for External Walls -Solar Reflectivity (albedo) of 70
Air Conditioning System - COP of 4.1
Heat Pump for Hot Water - COP of 4.1
Energy-Saving Light Bulbs - Internal Spaces/ Common Areas and External Spaces
Solar Hot Water Collectors - 25% of Hot Water Demand

Finishing work / Plumbing - Sanitary equipment

Low-Flow Showerheads - 9 L/min
Low-Flow Faucets for Kitchen Sinks -6.8 L/min
Low-Flow Faucets for Washbasins - 4.9 L/min
Single Flush for Water Closets - 4.8 L/flush

Finishing work / Partitions, insulation

Insulation of Roof - U Value of 3.14
Insulation of External Walls - U Value of 1.92
Internal Walls: Cellular Light Weight Concrete Blocks

Construction and exploitation costs

Additional information on costs :

Energy bill

• Forecasted energy bill/year : 30 578 €

Real energy cost/m2 : 1.34

Real energy cost/Dwelling : 168.94

Building Environmental Quality